Finding the Fourth Proportional to 790,450.36, 1,185,693.18 and 285,052.12
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Solution
The fourth proportional to 790,450.36, 1,185,693.18 and 285,052.12 is: 427,584.54
Step by Step Solution
- Step 1: Write the proportion equation
790,450.36 : 1,185,693.18 = 285,052.12 : x - Step 2: Convert to fraction form
790,450.36/1,185,693.18 = 285,052.12/x - Step 3: Cross multiply
790,450.36x = 1,185,693.18 × 285,052.12 - Step 4: Simplify right side
790,450.36x = 337,984,354,628.54 - Step 5: Solve for x
x = 337,984,354,628.54/790,450.36 - Step 6: Final answer
x = 427,584.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.